Worksheet: Addition Patterns
In this worksheet, we will practice identifying, describing, and making addition patterns using methods such as addition tables.
Complete the pattern: .
Two students are making a number pattern that starts at 3 with the rule add 5.
Hannah notices that the units digits are always 3 or 8 and that it follows a repeating pattern: 3, 8, 3, 8. She says that the numbers in the shaded boxes will always have 3 in the units place. Do you agree? Why?
- Ayes, because
- Bno, because , and when you add 10 the units digit will change
- Cyes, because , and the units digit does not change when you add 10
- Dno, because
- Eno, because
Noah starts a pattern with the number 9, and his pattern rule is adding 10. Choose Noah’s pattern.
- A10, 19, 28, 37
- B10, 20, 30, 40
- C9, 10, 11, 12
- D9, 19, 29, 39
- E9, 29, 49, 69
Observe the number pattern 5, 26, 47, 68, 89.
Fill in the blank: The numbers of the pattern from left to right.
What is the rule of the number pattern?
- AAdding 21
- BMultiplying by 21
- CAdding 20
- DSubtracting 20
- ESubtracting 21